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I recently upgraded to 18.7 from 18.1. Prior to 18.7 ipv6 (mostly, see below) worked fine but since the upgrade the dhcpv6 service crashes or stops shortly after boot and computers on the network don't get an address (though my laptop did get an ipv6 address one time apparently before the service stopped). Restarting the service doesn't work. I can't find any logs associated with the dhcpv6 service to get any information about what may be happening.

The second issue (and it maybe related) is a little more complicated. I have a VLAN associated with the same port as my LAN which I use for guest wifi. The Unifi AP tags the packets for the guestwifi with the VLAN id. It works great on ipv4 but with ipv6 something is leaking. My laptop which connects to my LAN wifi (not the guest) ends up getting 4 ipv6 addresses; two for the LAN network (which my laptop connects to over non guest wifi) but also 2 ipv6 addresses for the guest network even though it's not connected to the guest wifi.

Any ideas what is going on or what I can do to start debugging?

Thanks

Are there log files for the aggregator? I've having problems with one. About a week ago there was lightning strike took out some hardware, router included. I ordered a barebone machine and just put the harddrive/memory in the new machine, booted up, and everything seems to work... except for the aggregator. When I login to the web admin page, it shows that the aggregator process isn't running. I start the process and it run's for a while but then a while later it's dead again. When I login to ssh and do a top, I see that there is a python process (which I'm pretty sure is the aggregator) running at 100%... It seems to be stuck on something but I'm not sure what. Any ideas?